<template>
  <div class="shape-pool">
    <div class="category" v-for="item in shapeList" :key="item.type">
      <div class="category-name">{{item.type}}</div>
      <div class="shape-list">
        <div class="shape-item" v-for="(shape, index) in item.children" :key="index">
          <div class="shape-content" @click="selectShape(shape)">
            <SvgWrapper 
              overflow="visible" 
              width="20"
              height="20"
            >
              <g 
                :transform="`scale(${20 / shape.viewBox}, ${20 / shape.viewBox}) translate(0,0) matrix(1,0,0,1,0,0)`"
              >
                <path 
                  class="shape-path"
                  vector-effect="non-scaling-stroke" 
                  stroke-linecap="butt" 
                  stroke-miterlimit="8"
                  stroke-linejoin
                  fill="transparent"
                  stroke="#999"
                  stroke-width="2" 
                  :d="shape.path"
                ></path>
              </g>
            </SvgWrapper>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script lang="ts">
import { defineComponent } from 'vue'
import { SHAPE_LIST, ShapePoolItem } from '@/configs/shapes'

export default defineComponent({
  name: 'shape-pool',
  setup(props, { emit }) {
    const shapeList = SHAPE_LIST

    const selectShape = (shape: ShapePoolItem) => {
      emit('select', shape)
    }

    return {
      shapeList,
      selectShape,
    }
  },
})
</script>

<style lang="scss" scoped>
.shape-pool {
  width: 360px;
  max-height: 500px;
  overflow: auto;
  margin-bottom: -12px;
  margin-right: -12px;
  padding-right: 12px;
}
.category-name {
  width: 100%;
  font-size: 13px;
  margin-bottom: 10px;
  border-left: 4px solid #aaa;
  background-color: #eee;
  padding: 2px 0 2px 10px;
}
.shape-list {
  @include grid-layout-wrapper();

  margin-bottom: 10px;
}
.shape-item {
  @include grid-layout-item(10, 8%);

  height: 0;
  padding-bottom: 8%;
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
}
.shape-content {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;

  &:hover .shape-path {
    stroke: $themeColor;
  }

  svg:not(:root) {
    overflow: visible;
  }
}
</style>